#include<stdio.h>
struct  Student
{  int  num;
   char name[20];
   float score;
};
int  main()
{struct  Student  stu[5]={{10101,"zhang",78},{10103,"wang",98.5},{10106,"li",86},{10108,"ling",73.5},{10110,"sun",100}};
struct  Student temp;
const  int  n=5;
int  i,j,k;
printf("The order is:\n");
for(i=0;i<n-1;i++)
{k=i;
for(j=i+1;j<n;i++)
if(stu[j].score>stu[k].score)
k=j;
temp=stu[k];stu[k]=stu[i];stu[i]=temp;
}
for(i=0;i<n;i++)
printf("%6d%8s%6.2f\n",stu[i].num,stu[i].name,stu[i].score);
printf("\n");
return 0;
}
